QueryablePattern < T1、 T2 > 。然後 < TResult > 方法
當所有可觀察的序列都有可用的值並投影值時，比對 。
Namespace：System.Reactive.Joins
裝配： System.Reactive.Providers.dll) 中的 System.Reactive.Providers (
Syntax
'Declaration
Public Function Then(Of TResult) ( _
selector As Expression(Of Func(Of T1, T2, TResult)) _
) As QueryablePlan(Of TResult)
'Usage
Dim instance As QueryablePattern
Dim selector As Expression(Of Func(Of T1, T2, TResult))
Dim returnValue As QueryablePlan(Of TResult)
returnValue = instance.Then(selector)
public QueryablePlan<TResult> Then<TResult>(
Expression<Func<T1, T2, TResult>> selector
)
public:
generic<typename TResult>
QueryablePlan<TResult>^ Then(
Expression<Func<T1, T2, TResult>^>^ selector
)
member Then :
selector:Expression<Func<'T1, 'T2, 'TResult>> -> QueryablePlan<'TResult>
JScript does not support generic types and methods.
類型參數
- TResult
選取器函式的傳回值型別。
參數
- 選取器
類型：System.Linq.Expressions.Expression<Func<T1， T2， TResult>>
將結果投影到下一個觀察者的函式。
傳回值
類型：System.Reactive.Joins.QueryablePlan< TResult>
聯結可查詢模式的執行計畫。